12022021120021 has 8 divisors (see below), whose sum is σ = 13262290920000. Its totient is φ = 10806311118240.

The previous prime is 12022021120007. The next prime is 12022021120037. The reversal of 12022021120021 is 12002112022021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12022021120021 - 2⁷ = 12022021119893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12022021119977 and 12022021120004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022021120001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6139948521 + ... + 6139950478.

It is an arithmetic number, because the mean of its divisors is an integer number (1657786365000).

Almost surely, 2^{12022021120021} is an apocalyptic number.

12022021120021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12022021120021 is a deficient number, since it is larger than the sum of its proper divisors (1240269799979).

12022021120021 is a wasteful number, since it uses less digits than its factorization.

12022021120021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12279899099.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12022021120021 its reverse (12002112022021), we get a palindrome (24024133142042).

It can be divided in two parts, 12022021 and 120021, that multiplied together give a palindrome (1442894982441).

The spelling of 12022021120021 in words is "twelve trillion, twenty-two billion, twenty-one million, one hundred twenty thousand, twenty-one".